CN204479298U - A kind of pressure survey base of engine charge flexible pipe - Google Patents
A kind of pressure survey base of engine charge flexible pipe Download PDFInfo
- Publication number
- CN204479298U CN204479298U CN201520125755.4U CN201520125755U CN204479298U CN 204479298 U CN204479298 U CN 204479298U CN 201520125755 U CN201520125755 U CN 201520125755U CN 204479298 U CN204479298 U CN 204479298U
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- pressure
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- sealing nut
- tube
- pressure survey
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- 238000007789 sealing Methods 0.000 claims abstract description 35
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000006698 induction Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model proposes a kind of pressure survey base of engine charge flexible pipe, comprise: sealing nut, base body and rubber connector, sealing nut is the female hollow nut of band, base body entirety has column structure, and offer through hole along cylindrical central axis, and be provided with outstanding pipe vertically successively, screw boss and union tail, outstanding pipe is used for the pressure measuring tube of connecting sensor, sealing nut can be threadedly connected to screw boss after being sheathed on pressure measuring tube, rubber connector comprises rubber tube and rubber blanket, rubber tube is sealedly attached to union tail, rubber blanket is pasted on around the pressure measurement point of engine charge flexible pipe.Pressure survey base described in the utility model not only fast but also firmly can be fixedly connected on the pressure measuring tube of sensor the measurement point of engine charge flexible pipe, not easily leak gas, make pipeline connection sealing better, ensure that pressure measurement accuracy, and easy and simple to handle, have and wide promote the use of prospect.
Description
Technical field
The utility model relates to engine pressure field of measuring technique, is specifically related to the pressure survey base of engine charge flexible pipe, particularly for the pressure survey base of the engine charge flexible pipe of plastics or rubber.
Background technology
Pressure after engine air filter, belongs to the indispensable parameter analyzed in engine performance, the work efficiency improving each engine components and bench test, belongs to the parameter that must measure in the engine performance development phase.In engine rig test process, pressure after engine air filter is a very important pressure measurement point always, and the engine produced at present all can not reserve the interface of this measurement point, usually be all processed voluntarily by the operative employee of test-bed, in prior art, the pressure survey of the laggard gas hose of engine air filter is all generally by using AB glue, engine charge flexible pipe position is connected to gluing for the pressure measuring tube of sensor, do like this and not only waste time and energy, and due to AB glue air-dry after can be hardening, and engine bench test is ceaselessly in vibrations, and may distortion be produced during installation pipeline, these are easy to cause leak gas between the gluing pressure measuring tube that connects of AB and air induction hose, cause the inaccurate of measurement result.Meanwhile, the method using AB glue directly to glue, also can cause the waste of sizing material and operation is inconvenient, affects production efficiency.In prior art, a kind of coupling arrangement easy and simple to handle, good airproof performance can not be connected and sealed between engine charge flexible pipe and cell pressure measuring tube, to improve the pressure measurement accuracy after engine air filter and efficiency.
Summary of the invention
The utility model is based on above-mentioned prior art problem, the pressure survey base of the engine charge flexible pipe of a kind of brand new of proposition of innovation, by combination rubber connector, base body and sealing nut, not only fast but also firmly the pressure measuring tube of sensor can be fixedly connected on the measurement point of engine charge flexible pipe, simultaneously because the contact between described pressure survey base and engine charge flexible pipe is elastomeric material flexible contact, can be out of shape with engine pipelines, not easily leak gas, make pipeline connection sealing better, ensure that pressure measurement accuracy, and it is easy and simple to handle, have and wide promote the use of prospect.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
A kind of pressure survey base of engine charge flexible pipe, comprise: sealing nut 1, base body 2 and rubber connector 3, described sealing nut 1 is the female hollow nut of band, described base body 2 entirety has column structure, and offer through hole along cylindrical central axis, and be provided with outstanding pipe 2-1 vertically successively, screw boss 2-2 and union tail 2-4, described outstanding pipe 2-1 is used for the pressure measuring tube of connecting sensor, described sealing nut 1 can be threadedly connected to described screw boss 2-2 after being sheathed on pressure measuring tube, described rubber connector 3 comprises rubber tube 3-1 and rubber blanket 3-2, described rubber tube 3-1 is sealedly attached to described union tail 2-4, described rubber blanket 3-2 is pasted on around the pressure measurement point of engine charge flexible pipe.
Further according to pressure survey base described in the utility model, the front portion of wherein said sealing nut is formed as the frustum cone structure of hollow, the rear inside wall of described sealing nut forms described internal thread, and the periphery, rear portion of described sealing nut is formed and orthohexagonally screws deck.
Further according to pressure survey base described in the utility model, wherein said base body 2 is integrally processed by circular steel column, described outstanding pipe 2-1 is formed at the front end of circular steel column, and be processed with chamfering structure in the front end of outstanding pipe 2-1, described pressure measuring tube is sheathed to be connected on described outstanding pipe 2-1, described screw boss 2-2 extends back from outstanding pipe rear end formation, and the external diameter of described screw boss is greater than the external diameter of outstanding pipe, described screw boss is processed with the external thread matched with the internal thread of described sealing nut simultaneously, described union tail 2-4 is formed at the rear end of circular steel column, and chamfering structure is provided with on described union tail 2-3, described rubber tube 3-1 is sheathed on after on described union tail 2-4 and is tightly connected by Shooting Technique.
Further according to pressure survey base described in the utility model, wherein said base body 2 is provided with and screws a 2-3 between screw boss 2-2 and union tail 2-4, described in screw a 2-3 there is regular hexagon structure.
Further according to pressure survey base described in the utility model; wherein said rubber tube 3-1 and rubber blanket 3-2 is integrally formed, and described rubber blanket 3-2 has Plate Lining mat structure, offers through hole in central authorities; the rear end face of described rubber blanket 3-2 is formed as glue face, and on glue face coated with protective film.
Further according to pressure survey base described in the utility model, wherein said rubber tube 3-1 is round tube, and described rubber blanket 3-2 is circular pad.
At least following technique effect can be reached by the technical solution of the utility model:
1), the utility model completely newly proposes a kind of pressure survey base of engine charge flexible pipe, not only fast but also firmly cell pressure measuring tube can be fixedly connected on the measurement point of engine charge flexible pipe, tonometric preparation can be carried out fast and accurately at Chosen Point, the pressure survey of all kinds of engine pipelines can be common to, wide market;
2), pressure survey base described in the utility model adopts elastomeric material and engine charge flexible pipe flexible contact, even if make automotive engine test bench in pressure measuring service not stop vibrations or installation pipeline generation distortion, all can not cause gas leak phenomenon, ensure that pressure measurement accuracy;
3), pressure survey base described in the utility model only need tear the diaphragm of susceptor surface in use, directly paste on the pick-up hole of air induction hose, the hole on base is aimed at the hole on air induction hose, relative to the original work needing two pipe AB glue just can glue, pressure survey base operation described in the utility model is more simple, convenient, time saving and energy saving, and better tightness;
4), pressure survey base described in the utility model can be applied in the pressure survey of all kinds of engine pipelines, and especially more practical and convenient for the pressure survey on plastics and rubber pipeline, market is practical.
Accompanying drawing explanation
Accompanying drawing 1 is the fractionation structural representation of the pressure survey base of engine charge flexible pipe described in the utility model;
Accompanying drawing 2 is the package assembly schematic diagram of the pressure survey base of engine charge flexible pipe described in the utility model;
In figure, the implication of each Reference numeral is as follows:
1-sealing nut, 2-base body, 3-rubber connector, 2-1: outstanding pipe, 2-2: screw boss, 2-3: screw seat, 2-4: union tail, 3-1: rubber tube, 3-2: rubber blanket.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail, to enable those skilled in the art's understanding the utility model clearly, but does not therefore limit protection domain of the present utility model.
As shown in Figures 1 and 2, the pressure survey base of engine charge flexible pipe described in the utility model comprises sealing nut 1, base body 2 and rubber connector 3, described sealing nut is the nut structure of hollow, the front portion of sealing nut is formed as conical structure and the frustum cone structure of truncation, round platform inner hollow, round platform end face central authorities offer through hole, the inside of whole sealing nut forms the penetrating through hole in front and back, the rear inside wall of sealing nut is formed with internal thread, can be tightened in the screw boss in base body, the periphery, rear portion of sealing nut is formed and orthohexagonally screws deck.Described base body 2 adopts a round steel post to be integrally processed to form, and process the penetrating through hole in front and back in the axial central authorities of base body, described base body 2 comprises outstanding pipe 2-1, screw boss 2-2, screws a 2-3 and union tail 2-4 vertically, described outstanding pipe 2-1 is formed in the front end of round steel post, there is straight tube structure, and be processed with chamfering in front end, described outstanding pipe 2-1 is used for being connected with the pressure measuring tube of sensor, improves the strength of joint between outstanding pipe 2-1 and pressure measuring tube further by the chamfering of front end.Described outstanding pipe 2-1 one connecting thread boss 2-2, described screw boss 2-2 extends back from outstanding pipe rear end formation, and the external diameter of screw boss is greater than the external diameter of outstanding pipe, and be slightly less than the minor diameter of thread at sealing nut rear portion, described screw boss is processed with the external thread with the screw-internal thread fit of sealing nut, sealing nut can be screwed on screw boss 2-2.Be formed with after described screw boss and screw a 2-3, described in screw a 2-3 by be processed in the radial middle part of round steel post regular hexagon structure formed, the instruments such as convenient wrench block.A described rear that screws is formed with union tail 2-4, and described union tail 2-4 is provided with chamfering structure, so that be tightly connected into an entirety by Shooting Technique and the rubber tube of rubber connector.Described rubber connector 3 adopts flexible rubber material to make, comprise rubber tube 3-1 and rubber blanket 3-2, described rubber blanket 3-2 entirety has Plate Lining mat structure, preferably circular pad structure, and offer through hole in central authorities, described rubber tube 3-1 is cylinder tubular structure, intermediate throughholes is communicated with the through hole of rubber blanket, rubber tube and rubber blanket are integrally formed, the internal diameter of described rubber tube mates with the external diameter of union tail 2-4, ensure that rubber sleeve is located at after on union tail, integral sealing syndeton can be formed by the chamfering on union tail and Shooting Technique, the rear end face of described rubber blanket 3-2 forms the plane of band glue, scribble seccotine, and on glue face coated with protective film.
Accompanying drawing 2 specifically provides the unitized construction schematic diagram of described pressure survey base, first the pressure measuring tube of sensor is passed the interior bone of sealing nut during use from conical top, make sealing nut overlap string on pressure measuring tube, notice that the string of sealing nut enters direction; Then be located on the outstanding pipe 2-1 of base body by effective for pressure survey external force extruded sleeve, outstanding pipe is connected by interference fit with pressure measuring tube, utilizes the chamfering of outstanding pipe front end to ensure the intensity that is connected firmly of pressure measuring tube; Then be tightened in the screw boss of base body by the sealing nut be enclosed within pressure measuring tube, interference fit adds the pressure of upper cap nut, and the secure seal just achieved between pressure measuring tube with base body is connected, and ensures that pressure measuring tube can not come off.Rubber tube in rubber connector dispatch from the factory produce time and integral hermetic be connected on the union tail of base body; finally punch in the pressure measurement point of engine charge flexible pipe; this bore dia is consistent with the internal orifice dimension of pressure survey base; and the scope touched by rubber blanket is clean clean; after tearing the diaphragm on rubber blanket end face; aim at pick-up hole, rubber blanket is adhered to the pressure measurement point position of air induction hose and compacting.Then the air pressure of engine charge flexible pipe can be passed to pressure measuring tube through pressure survey base, and is connected to measured by the sensor on pressure measuring tube.
Pressure survey base described in the utility model can facilitate, fast, firmly, the connection realized between pick-up hole on engine charge flexible pipe and cell pressure measuring tube of high leakproofness, even if make automotive engine test bench in pressure measuring service not stop vibrations or installation pipeline generation distortion, all gas leak phenomenon can not be caused, ensure that pressure measurement accuracy, and relative to the original work needing two pipe AB glue just can glue, pressure survey base operation described in the utility model is simpler, convenient, time saving and energy saving, and better tightness, can be applied in the pressure survey of all kinds of engine pipelines, especially more practical and convenient for the pressure survey on plastics and rubber pipeline, market is practical.
Below be only that preferred implementation of the present utility model is described; the technical solution of the utility model is not limited to this; the any known distortion that those skilled in the art do on the basis that major technique of the present utility model is conceived all belongs to the claimed technology category of the utility model, and the concrete protection domain of the utility model is as the criterion with the record of claims.
Claims (6)
1. the pressure survey base of an engine charge flexible pipe, it is characterized in that, comprise: sealing nut (1), base body (2) and rubber connector (3), described sealing nut (1) is the female hollow nut of band, described base body (2) entirety has column structure, and offer through hole along cylindrical central axis, and be provided with outstanding pipe (2-1) vertically successively, screw boss (2-2) and union tail (2-4), described outstanding pipe (2-1) is for the pressure measuring tube of connecting sensor, described sealing nut (1) can be threadedly connected to described screw boss (2-2) after being sheathed on pressure measuring tube, described rubber connector (3) comprises rubber tube (3-1) and rubber blanket (3-2), described rubber tube (3-1) is sealedly attached to described union tail (2-4), described rubber blanket (3-2) is pasted on around the pressure measurement point of engine charge flexible pipe.
2. pressure survey base according to claim 1, it is characterized in that, the front portion of described sealing nut is formed as the frustum cone structure of hollow, and the rear inside wall of described sealing nut forms described internal thread, and the periphery, rear portion of described sealing nut is formed and orthohexagonally screws deck.
3. pressure survey base according to claim 1, it is characterized in that, described base body (2) is integrally processed by circular steel column, described outstanding pipe (2-1) is formed at the front end of circular steel column, and be processed with chamfering structure in the front end of outstanding pipe (2-1), described pressure measuring tube is sheathed to be connected on described outstanding pipe (2-1), described screw boss (2-2) extends back from outstanding pipe rear end formation, and the external diameter of described screw boss is greater than the external diameter of outstanding pipe, described screw boss is processed with the external thread matched with the internal thread of described sealing nut simultaneously, described union tail (2-4) is formed at the rear end of circular steel column, and chamfering structure is provided with on described union tail (2-3), described rubber tube (3-1) is sheathed on after on described union tail (2-4) and is tightly connected by Shooting Technique.
4. pressure survey base according to claim 3, is characterized in that, described base body (2) is provided with and screws seat (2-3) between screw boss (2-2) and union tail (2-4), described in screw seat (2-3) there is regular hexagon structure.
5. pressure survey base according to claim 1; it is characterized in that; described rubber tube (3-1) and rubber blanket (3-2) are integrally formed; described rubber blanket (3-2) has Plate Lining mat structure; through hole is offered in central authorities; the rear end face of described rubber blanket (3-2) is formed as glue face, and on glue face coated with protective film.
6. pressure survey base according to claim 5, is characterized in that, described rubber tube (3-1) is round tube, and described rubber blanket (3-2) is circular pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520125755.4U CN204479298U (en) | 2015-03-04 | 2015-03-04 | A kind of pressure survey base of engine charge flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520125755.4U CN204479298U (en) | 2015-03-04 | 2015-03-04 | A kind of pressure survey base of engine charge flexible pipe |
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| Publication Number | Publication Date |
|---|---|
| CN204479298U true CN204479298U (en) | 2015-07-15 |
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| CN201520125755.4U Active CN204479298U (en) | 2015-03-04 | 2015-03-04 | A kind of pressure survey base of engine charge flexible pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646376A (en) * | 2018-07-12 | 2018-10-12 | 信利光电股份有限公司 | A kind of focusing ring |
| CN112326103A (en) * | 2020-10-23 | 2021-02-05 | 亳州联岐医疗科技有限公司 | Pneumoperitoneum machine gas consumption measuring device |
| CN113776843A (en) * | 2021-10-15 | 2021-12-10 | 重庆康明斯发动机有限公司 | Joint device and detection hose |
-
2015
- 2015-03-04 CN CN201520125755.4U patent/CN204479298U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646376A (en) * | 2018-07-12 | 2018-10-12 | 信利光电股份有限公司 | A kind of focusing ring |
| CN112326103A (en) * | 2020-10-23 | 2021-02-05 | 亳州联岐医疗科技有限公司 | Pneumoperitoneum machine gas consumption measuring device |
| CN112326103B (en) * | 2020-10-23 | 2021-11-23 | 亳州联岐医疗科技有限公司 | Pneumoperitoneum machine gas consumption measuring device |
| CN113776843A (en) * | 2021-10-15 | 2021-12-10 | 重庆康明斯发动机有限公司 | Joint device and detection hose |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |